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- added Alex Perry's patch to support more sophisticated hat switches

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for the view axes
This commit is contained in:
curt 2001-06-20 20:52:10 +00:00
parent b498efa47e
commit b97673d877
1 changed files with 24 additions and 10 deletions

34
src/Main/fg_props.cxx
View file

@ -62,32 +62,46 @@ static inline void
_set_view_from_axes ()
{
// Take no action when hat is centered
if (axisLong == 0 && axisLat == 0)
if ( ( axisLong < 0.01 ) &&
( axisLong > -0.01 ) &&
( axisLat < 0.01 ) &&
( axisLat > -0.01 )
)
return;
double viewDir = 0;
double viewDir = 999;
/* Do all the quick and easy cases */
if (axisLong < 0) { // Longitudinal axis forward
if (axisLat < 0)
if (axisLat == axisLong)
viewDir = 45;
else if (axisLat > 0)
else if (axisLat == - axisLong)
viewDir = 315;
else
else if (axisLat == 0)
viewDir = 0;
} else if (axisLong > 0) { // Longitudinal axis backward
if (axisLat < 0)
if (axisLat == - axisLong)
viewDir = 135;
else if (axisLat > 0)
else if (axisLat == axisLong)
viewDir = 225;
else
else if (axisLat == 0)
viewDir = 180;
} else { // Longitudinal axis neutral
} else if (axisLong = 0) { // Longitudinal axis neutral
if (axisLat < 0)
viewDir = 90;
else
else if (axisLat > 0)
viewDir = 270;
else return; /* And assertion failure maybe? */
}
/* Do all the difficult cases */
if ( viewDir > 900 )
viewDir = SGD_RADIANS_TO_DEGREES * atan2 ( -axisLat, -axisLong );
if ( viewDir < -1 ) viewDir += 360;
// SG_LOG(SG_INPUT, SG_ALERT, "Joystick Lat=" << axisLat << " and Long="
// << axisLong << " gave angle=" << viewDir );
globals->get_current_view()->set_goal_view_offset(viewDir*SGD_DEGREES_TO_RADIANS);
// globals->get_current_view()->set_view_offset(viewDir*SGD_DEGREES_TO_RADIANS);
}